Custom Firmware for the MZ-RH1 - Ready for Testing!

A while ago I wrote about my early experiments with modifying the firmware of the Sony MZ-RH1, mainly driven by one long-standing annoyance: not being able to see track titles on the unit itself during playback. That post demonstrated a proof-of-concept, which was not ready for release.
This time, things are a bit more serious. I’ve now completed the first public release of custom firmware for the MZ-RH1!

Read in full here: